111 | Why did the ancient Maya abandon their cities? 2022-04-22 |
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112 | How should we measure cleverness? 2022-04-15 |
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113 | How many fossils are there? 2022-04-08 |
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114 | Why do animals migrate? Part 2 2022-04-01 |
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115 | Why do animals migrate? Part 1 2022-03-25 |
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116 | Is maths real? 2022-03-18 |
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117 | Does massage work? 2022-03-11 |
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118 | How high can insects fly? 2022-03-04 |
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119 | How did we discover fire? 2022-02-25 |
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120 | How do you navigate in space? 2022-02-18 |
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